/*
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* Copyright (c) 2017 Mellanox Technologies Ltd. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "rxe.h"
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#include "rxe_hw_counters.h"
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static const char * const rxe_counter_name[] = {
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[RXE_CNT_SENT_PKTS] = "sent_pkts",
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[RXE_CNT_RCVD_PKTS] = "rcvd_pkts",
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[RXE_CNT_DUP_REQ] = "duplicate_request",
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[RXE_CNT_OUT_OF_SEQ_REQ] = "out_of_sequence",
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[RXE_CNT_RCV_RNR] = "rcvd_rnr_err",
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[RXE_CNT_SND_RNR] = "send_rnr_err",
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[RXE_CNT_RCV_SEQ_ERR] = "rcvd_seq_err",
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[RXE_CNT_COMPLETER_SCHED] = "ack_deffered",
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[RXE_CNT_RETRY_EXCEEDED] = "retry_exceeded_err",
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[RXE_CNT_RNR_RETRY_EXCEEDED] = "retry_rnr_exceeded_err",
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[RXE_CNT_COMP_RETRY] = "completer_retry_err",
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[RXE_CNT_SEND_ERR] = "send_err",
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};
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int rxe_ib_get_hw_stats(struct ib_device *ibdev,
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struct rdma_hw_stats *stats,
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u8 port, int index)
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{
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struct rxe_dev *dev = to_rdev(ibdev);
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unsigned int cnt;
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if (!port || !stats)
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return -EINVAL;
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for (cnt = 0; cnt < ARRAY_SIZE(rxe_counter_name); cnt++)
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stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]);
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return ARRAY_SIZE(rxe_counter_name);
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}
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struct rdma_hw_stats *rxe_ib_alloc_hw_stats(struct ib_device *ibdev,
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u8 port_num)
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{
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BUILD_BUG_ON(ARRAY_SIZE(rxe_counter_name) != RXE_NUM_OF_COUNTERS);
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/* We support only per port stats */
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if (!port_num)
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return NULL;
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return rdma_alloc_hw_stats_struct(rxe_counter_name,
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ARRAY_SIZE(rxe_counter_name),
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RDMA_HW_STATS_DEFAULT_LIFESPAN);
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}
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